Sans and Gaster cause why not-

Sudden Changes

[Megalovania]

This week's Fan Art Friday celebrates Undertale! Accept the quest in your quest log to get started.

Undertale - sans | version 3

[undertale] the undermen

sands the skeleton - Big thanks for @Danhx for making the animation go and follow him.

Remember son...

woke up from a nap and immediately made this for no reason

Undertale and Underfell sans + OW sprites